Units acquired under the Company's Supplemental 401(k) deferred compensation plan. Each unit is the economic equivalent of one share of common stock.

(2)

Units are payable in cash following termination of the reporting person's employment. Upon attaining age 55, the reporting person may transfer the units into an alternative investment account at any time.

(3)

Additionally, 29,000 non-derivative Class A common shares are held directly.

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